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Phone	Motorola V551 / V330 / V547 / V555 / V557	Samsung Knack U310	Alcatel Tru / Pop 3	HTC Touch Pro2 (GSM) / Tilt 2	Motorola RAZR V3
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	2.2" diag. 4 : 3	5" diag. 16 : 9	3.6" diag. 5 : 3	?
Display Resolution & Type	176 x 220 pixels LCD (TFT/TFD)	176 x 220 pixels (~128 ppi) LCD (TFT/TFD)	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)	480 x 800 pixels (~259 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	?
Battery	820 mAh	1,000 mAh	2,000 mAh	1,500 mAh	680 mAh
Processor	?	?	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	528 MHz Qualcomm MSM7200A	?
RAM	?	?	1 GB	?	?
Storage	? raw hardware	? raw hardware	8 GB	? raw hardware	? raw hardware
Main Camera	Yes	-	5 megapixel	3 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	-	720p HD	?	?
Front Camera	-	-	2 megapixel	-	-
Weight	4.23 oz (120g)	3.63 oz (103g)	5.89 oz (167g)	6.61 oz (187g)	3.42 oz (97g)
Dimensions	3.5" x 1.93" x 0.97" (89 x 49 x 24.6 mm)	3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm)	5.55" x 2.81" x 0.39" (141 x 71 x 9.9 mm)	4.59" x 2.36" x 0.68" (117 x 60 x 17.3 mm)	3.86" x 2.09" x 0.54" (98 x 53 x 13.7 mm)
Form Factor	Clamshell	Clamshell	Slab	Slab	Clamshell
Platform / OS	(proprietary)	(proprietary)	Android	Windows Mobile Professional	(proprietary)
Network Bands	GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900	4G LTE: 2, 4, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 *	GSM: 850, 900, 1800, 1900
Data Technology	EDGE	-	LTE (Cat 4)	HSPA 7.2	GPRS
Features
Flashlight	-	-	Yes	-	-
GPS / Location	-	Yes	n/a	n/a	-
Accessibility
Adjustable Text Size	-	Yes	n/a	n/a	-
Hearing Aid Compatible	-	Yes M4, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M3 (mostly compatible)
Multiple Languages	Yes	Yes	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	Yes	Yes	-	-	Yes
Ringer Profiles	Yes	-	-	-	Yes
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
USB	Yes	-	Yes Micro-USB	Yes	Yes Mini-USB
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	Yes 802.11 b,g	-
Contacts
Picture ID	Yes	-	n/a	n/a	Yes
Ringer ID	Yes	-	n/a	n/a	Yes
Voice Dialing	Yes	Yes	n/a	n/a	Yes
Customization
Custom Graphics	Yes	-	n/a	n/a	Yes
Custom Ringtones	Yes	-	n/a	n/a	Yes
Real-Music Ringers	Yes	-	n/a	n/a	Yes
Data & Network
Data Tethering	Yes	-	n/a	n/a	Yes
WAP / Web Browser	Yes	-	n/a	n/a	Yes
Input
Predictive Text Entry	Yes	Yes	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	-	-	Yes	-
Text Keyboard, Hardware	-	-	-	Yes	-
Touch Screen	-	-	Yes Capacitive	Yes	-
Memory
Memory Card Slot	-	-	Yes	Yes	-
Messaging
Email Client	Yes	-	n/a	n/a	Yes
EMS / Picture Messaging	Yes	Yes	n/a	n/a	Yes
Instant Messaging	Yes	-	n/a	n/a	Yes
MMS	Yes	-	n/a	n/a	Yes
Text Messaging Templates	Yes	-	n/a	n/a	Yes
Music
FM Radio	-	-	Yes	-	-
Headphone Jack (3.5mm)	-	-	Yes	-	-
Music Player	-	-	n/a	n/a	-
Photo & Video
TV Output	-	-	-	Yes	-
Video Calling	-	-	n/a	n/a	-
Productivity
Alarm	Yes	Yes	n/a	n/a	Yes
Calculator	Yes	Yes	n/a	n/a	Yes
Calendar	Yes	Yes	n/a	n/a	Yes
To-Do List	-	-	n/a	n/a	-
Voice Memo	Yes	-	n/a	n/a	Yes
Software
Games	Yes	-	n/a	n/a	Yes
Java (J2ME)	Yes	-	n/a	n/a	Yes
Voice
HD Voice	-	-	Yes	-	-
Headset Jack (2.5 mm)	Yes	Yes	n/a	n/a	-
Push-To-Talk	-	-	-	Yes *	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Motorola V551 / V330 / V547 / V555 / V557	Samsung Knack U310	Alcatel Tru / Pop 3	HTC Touch Pro2 (GSM) / Tilt 2	Motorola RAZR V3
	X >	< X >	< X >	< X >	< X

NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Motorola V551 / V330 / V547 / V555 / V557	Samsung Knack U310	Alcatel Tru / Pop 3	HTC Touch Pro2 (GSM) / Tilt 2	Motorola RAZR V3